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mark also coimage for the move to AbstractAlgebra
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ThomasBreuer committed Apr 11, 2024
1 parent b76ce26 commit 88dcef0
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Showing 2 changed files with 6 additions and 8 deletions.
8 changes: 0 additions & 8 deletions experimental/GModule/Brueckner.jl
Original file line number Diff line number Diff line change
@@ -1,8 +1,6 @@
module RepPc
using Oscar

export coimage

#=TODO
- construct characters along the way as well?
- compare characters rather than the hom_base
Expand Down Expand Up @@ -265,10 +263,6 @@ function brueckner(mQ::Map{<:Oscar.GAPGroup, PcGroup}; primes::Vector=[])
return allR
end

function coimage(h::Map)
return quo(domain(h), kernel(h)[1])
end

"""
mp: G ->> Q
C a F_p[Q]-module
Expand Down Expand Up @@ -427,5 +421,3 @@ orbits(G)
end #module RepPc

using .RepPc

export coimage
6 changes: 6 additions & 0 deletions experimental/GModule/Misc.jl
Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ module Misc
using Oscar
import Base: ==, parent

export coimage
export relative_field

Hecke.minpoly(a::QQBarFieldElem) = minpoly(Hecke.Globals.Qx, a)
Expand Down Expand Up @@ -508,6 +509,11 @@ function Oscar.direct_sum(M::AbstractAlgebra.Generic.DirectSumModule{T}, N::Abst
return hom(M, N, cat(map(matrix, mp)..., dims = (1,2)))
end

function coimage(h::Map)
return quo(domain(h), kernel(h)[1])
end

end # module
using .Misc
export coimage
export relative_field

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